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Record W2047626416 · doi:10.1002/jez.1131

Temporal control of DNA replication and the adaptive value of chromatin diminution in copepods

2001· article· en· W2047626416 on OpenAlex
Grace A. Wyngaard, T. Ryan Gregory

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenueJournal of Experimental Zoology · 2001
Typearticle
Languageen
FieldBiochemistry, Genetics and Molecular Biology
TopicProtist diversity and phylogeny
Canadian institutionsUniversity of Guelph
FundersNatural Sciences and Engineering Research Council of CanadaNational Institutes of HealthUniversity of GuelphNational Science Foundation
KeywordsBiologyChromatinHeterochromatinEvolutionary biologyAdaptive valueGenomeGenome sizeZoologyDNAGeneticsGene

Abstract

fetched live from OpenAlex

Chromatin diminution is a precisely controlled, highly repeatable, genome-wide deletion of noncoding heterochromatic segments from the presomatic line. The somatic line is reduced in size and reorganized; the germ line remains unaltered. Little is understood about its mechanistic underpinnings and adaptive significance in the nematodes, copepods, and hagfish in which it occurs. Here, we propose that microcrustacean copepods, whose cytology, development, and evolutionary ecology are well understood from an adaptationist point of view, provide the vehicle to test how chromatin diminution might orchestrate certain cell cycle dynamics, with the consequence of influencing the evolution of nuclear DNA contents, organismal development rates, and body size.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.072
Threshold uncertainty score0.151

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.011
GPT teacher head0.256
Teacher spread0.245 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it